Thanks to decades of Hollywood terror, sharks have earned one of the most fearsome reputations in the animal kingdom. Movies like "Jaws" have painted these ancient predators as mindless killing ...

Marine animals can be fascinating and quite beautiful. However, you should not approach some of them. Certain fish and jellyfish are highly poisonous, and contact with them can sometimes be fatal.

In this list of animals that can kill a human in minutes, we explore beautiful sea creatures, cute amphibians, funny looking fish, and unassuming insects, all of which could stop your heart beating ...